參數(shù)資料
型號(hào)： KS8993I
廠商： Micrel Inc
文件頁數(shù)： 1/35頁
文件大?。?/td> 0K
描述： IC SWITCH 10/100 3PORT 128PQFP
標(biāo)準(zhǔn)包裝： 66
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應(yīng)商設(shè)備封裝： 128-PQFP（14x20）
包裝： 管件
配用： 576-1011-ND - BOARD EVAL EXPERIMENT FOR KS8993
May 2005
1
KS8993
Micrel
KS8993
3-Port 10/100 Integrated Switch with PHY and Frame Buffer
Rev. 2.05
General Description
The KS8993 contains three 10/100 physical layer transceiv-
ers, three MAC (Media Access Control) units with an inte-
grated layer 2 switch. The device runs in two modes. The first
mode is a three port integrated switch and the second is as
a three port switch with the third port decoupled from the
physical port. In this mode access to the third MAC is provided
using a reverse or forward MII (Media Independent Interface)
such that an external MAC can be directly connected to the
KS8993. This interface also supports the 7-wire (serial net-
work interface) as used by some routing devices.
Useful configurations include a stand alone three port switch
as well as a two port switch with a routing element connected
to the extra MII port. The additional port is also useful for
public network interfacing.
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
Functional Diagram
Look-Up
Engine
(1K Entries)
SRAM
Buffers
(16Kx32)
MII / SNI
(exclusive)
External
Interface
FIFO and Flow Control
Queue
Management
Buffer
Management
LED
and
Programming
Interface
MRXD[3:0]
MRXDV
MCOL
MTXD[3:0]
MTXEN
MTXER
Physical
Transceiver
1
MAC
1
RXP[1],
RXM
[1]
TXP[1],
TXM
[1]
Physical
Transceiver
2
MAC
2
RXP[2],
RXM
[2]
TXP[2],
TXM
[2]
Physical
Transceiver
3
MAC
3
RXP[3],
RXM
[3]
TXP[3],
TXM
[3]
LED[1][3:0]
LED[2][3:0]
LED[3][3:0]
MRXD[0]
MRXDV
MCOL
MTXD[0]
MTXEN
S
N
I
M
I
MTXCLK
MRXCLK
MTXCLK
MCOLIN
MCRS
MRXCLK
The KS8993 has rich features such as VLAN and priority
queuing and is designed to reside in an unmanaged design
not requiring processor intervention. This is achieved through
I/O strapping at system reset time.
On the media side, the KS8993 supports 10BaseT,
100BaseTX and 100BaseFX as specified by the IEEE 802.3
committee.
Physical signal transmission and reception are enhanced
through use of analog circuitry that makes the design more
efficient and allows for lower power consumption and smaller
chip die size.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
相關(guān)PDF資料
PDF描述
KS8993ML IC SWITCH 10/100 3PORT 128PQFP
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KS8993M 功能描述:IC SWITCH 10/100 3PORT 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KS8993M_11 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Integrated 3-Port 10/100 Managed Switch with PHYs
KS8993MA5 功能描述:IC SWITCH 3-PORT 10/100 128-PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KS8993M-EVAL 功能描述:BOARD EVAL EXPERIMENT KS8993M RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板
KS8993MI 功能描述:IC SWITCH 10/100 3PORT 128PQFP RoHS:否 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
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